package com.wangxuan.config;

import io.swagger.annotations.Api;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.context.SecurityContextHolder;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

@Configuration
@EnableSwagger2
public class Swagger2Config {
    @Bean
    public Docket CreateRestApi(){
        return  new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.basePackage("com.wangxuan.controller"))
         .paths(PathSelectors.any())
         .build()
                .securityContexts(securityContexts())
                .securitySchemes(securitySchemes());
    }

    private ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title("云E办接口文档")
                .description("云E办接口文档")
                .contact(new Contact("api","http:localhost:8081/doc.html","xiaoyi@qq.com"))
                .version("1.0.1")
                .build();
    }

    private List<SecurityContext> securityContexts(){
        // 设置需要验证的路径
         List<SecurityContext> result  = new ArrayList<>();
         result.add(getContextByPath("/hello/.*"));
         return result;
    }

    private SecurityContext getContextByPath(String pathRegex){
        return  SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();

    }


    private  List<SecurityReference> defaultAuth (){
        List<SecurityReference> result = new ArrayList<>();
        AuthorizationScope authorizationScope = new AuthorizationScope("global","accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        result.add(new SecurityReference("Authorization",authorizationScopes));

        return  result;


    }


    private List<ApiKey> securitySchemes(){
        List<ApiKey> result = new ArrayList<>();
        ApiKey apiKey = new ApiKey("Authorization","Authorization","Header");
        result.add(apiKey);
        return  result;
    }
}
